Pfeiffer's substance
[化] 普法伊费尔化合物
🧩 词语组成解析
🗣️ 情景例句
What place would you most like to visit?
你最想到哪个地方旅行？
Who is calling?I don't recognize your voice.
谁打来的电话？我听不出你的声音。
In the middle of the night, two boys woke up and began shouting.
午夜前后，有两个孩子醒了，大声叫了起来。